<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>GraphChi: src/engine/dynamic_graphs/graphchi_dynamicgraph_engine.hpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td style="padding-left: 0.5em;">
   <div id="projectname">GraphChi
   &#160;<span id="projectnumber">0.1</span>
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.1.1 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="namespaces.html"><span>Namespaces</span></a></li>
      <li><a href="annotated.html"><span>Classes</span></a></li>
      <li class="current"><a href="files.html"><span>Files</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
  <div id="navrow2" class="tabs2">
    <ul class="tablist">
      <li><a href="files.html"><span>File&#160;List</span></a></li>
      <li><a href="globals.html"><span>File&#160;Members</span></a></li>
    </ul>
  </div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark">&#160;</span>Macros</a></div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div id="nav-path" class="navpath">
  <ul>
<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_2052808828190f934b76e979ee65af8a.html">engine</a></li><li class="navelem"><a class="el" href="dir_f2d73e3b6b16bb71c0a4d4a7ceb85ecc.html">dynamic_graphs</a></li>  </ul>
</div>
</div><!-- top -->
<div class="header">
  <div class="headertitle">
<div class="title">graphchi_dynamicgraph_engine.hpp</div>  </div>
</div><!--header-->
<div class="contents">
<a href="graphchi__dynamicgraph__engine_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#ifndef GRAPHCHI_DYNAMICGRAPHENGINE_DEF</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GRAPHCHI_DYNAMICGRAPHENGINE_DEF</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="graphchi__engine_8hpp.html">engine/graphchi_engine.hpp</a>&quot;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="edgebuffers_8hpp.html">engine/dynamic_graphs/edgebuffers.hpp</a>&quot;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="logger_8hpp.html">logger/logger.hpp</a>&quot;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="keyword">namespace </span>graphchi {</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    </div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> VertexDataType, <span class="keyword">typename</span> EdgeDataType, <span class="keyword">typename</span> svertex_t = graphchi_vertex&lt;VertexDataType, EdgeDataType&gt; &gt;</div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html">   49</a></span>&#160;    <span class="keyword">class </span><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html">graphchi_dynamicgraph_engine</a> : <span class="keyword">public</span> <a class="code" href="classgraphchi_1_1graphchi__engine.html">graphchi_engine</a>&lt;VertexDataType, EdgeDataType, svertex_t&gt; {</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        <span class="keyword">typedef</span> <a class="code" href="classgraphchi_1_1graphchi__engine.html">graphchi_engine&lt;VertexDataType, EdgeDataType&gt;</a>  <a class="code" href="classgraphchi_1_1graphchi__engine.html">base_engine</a>;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keyword">typedef</span> <a class="code" href="classgraphchi_1_1edge__buffer__flat.html">edge_buffer_flat&lt;EdgeDataType&gt;</a> <a class="code" href="classgraphchi_1_1edge__buffer__flat.html">edge_buffer</a>; </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        </div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html">graphchi_dynamicgraph_engine</a>(std::string base_filename, <span class="keywordtype">int</span> nshards, <span class="keywordtype">bool</span> selective_scheduling, <a class="code" href="classgraphchi_1_1metrics.html">metrics</a> &amp;_m) :</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        <a class="code" href="classgraphchi_1_1graphchi__engine.html">graphchi_engine&lt;VertexDataType, EdgeDataType, svertex_t&gt;</a>(base_filename, nshards, selective_scheduling, _m){</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;            _m.set(<span class="stringliteral">&quot;engine&quot;</span>, <span class="stringliteral">&quot;dynamicgraphs&quot;</span>);</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;            added_edges = 0;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;            maxshardsize = 200 * 1024 * 1024;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        }</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        </div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        </div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">   66</a></span>&#160;        std::vector&lt; std::vector&lt; edge_buffer * &gt; &gt; <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        std::vector&lt;int&gt; deletecounts;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        std::vector&lt;std::string&gt; shard_suffices;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        </div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        vid_t max_vertex_id;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        <span class="keywordtype">size_t</span> max_edge_buffer;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="keywordtype">size_t</span> last_commit;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        <span class="keywordtype">size_t</span> added_edges;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        std::string state;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        <span class="keywordtype">size_t</span> maxshardsize;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        <span class="keywordtype">size_t</span> edges_in_shards;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        </div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        </div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6dd321db58504ad1ed2c0d54387aa160">   82</a></span>&#160;        <a class="code" href="classgraphchi_1_1mutex.html">mutex</a> <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6dd321db58504ad1ed2c0d54387aa160">modification_lock</a>;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        <a class="code" href="classgraphchi_1_1mutex.html">mutex</a> schedulerlock;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        <a class="code" href="classgraphchi_1_1mutex.html">mutex</a> shardlock;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        </div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#aa2a1875d67bb934b83ef9b2e762f573f">   89</a></span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#aa2a1875d67bb934b83ef9b2e762f573f">disable_preloading</a>() {</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        }</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        </div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a76d10a9a93cbd83143084f10900255b6">   96</a></span>&#160;        <span class="keyword">virtual</span> <a class="code" href="classgraphchi_1_1degree__data.html">degree_data</a> * <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a76d10a9a93cbd83143084f10900255b6">create_degree_handler</a>() {</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;            <span class="comment">/* FIXME: This is bad software design - we should not have a filename dependency here. */</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;            std::string orig_degree_file = filename_degree_data(this-&gt;base_filename);</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;            std::string dynsuffix = <span class="stringliteral">&quot;.dynamic&quot;</span>;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;            std::string dynamic_degree_file = filename_degree_data(this-&gt;base_filename + dynsuffix);</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;            <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a62726a85f6c46c925bc44f85b98ef94a">cp</a>(orig_degree_file, dynamic_degree_file);</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classgraphchi_1_1degree__data.html">degree_data</a>(this-&gt;base_filename + dynsuffix, this-&gt;iomgr);</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        }</div>
<div class="line"><a name="l00104"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#af6a7dffd100a1920352e17cb253da924">  104</a></span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#af6a7dffd100a1920352e17cb253da924">num_edges</a>() {</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;            shardlock.lock();</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;            <span class="keywordtype">size_t</span> ne = 0;</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i &lt; this-&gt;nshards; i++) {</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;                ne += this-&gt;sliding_shards[i]-&gt;num_edges();</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j=0; j &lt; (int) <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>[i].size(); j++)</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;                    ne += <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>[i][j]-&gt;size();</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;            }</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;            shardlock.unlock();</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;            <span class="keywordflow">return</span> ne;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        }</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        </div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        </div>
<div class="line"><a name="l00118"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6adfe3b5969edcb7405058debe3e2aba">  118</a></span>&#160;        <span class="keywordtype">size_t</span> <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6adfe3b5969edcb7405058debe3e2aba">num_edges_safe</a>() {</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;            <span class="keywordflow">return</span> added_edges + edges_in_shards;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        }</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        </div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        <span class="keywordtype">size_t</span> num_buffered_edges() {</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;            <span class="keywordflow">return</span> added_edges;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        }</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        </div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        <span class="keywordtype">void</span> init_buffers() {</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;            max_edge_buffer = get_option_long(<span class="stringliteral">&quot;max_edgebuffer_mb&quot;</span>, 1000) * 1024 * 1024 / <span class="keyword">sizeof</span>(created_edge&lt;EdgeDataType&gt;);</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;            </div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;            <span class="comment">// Save old so if there are existing edges, they can be moved</span></div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;            std::vector&lt; std::vector&lt; edge_buffer * &gt; &gt; tmp_new_edge_buffers;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i &lt; this-&gt;nshards; i++) {</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;                std::vector&lt;edge_buffer *&gt; shardbuffers = std::vector&lt;edge_buffer *&gt;();</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j=0; j &lt; this-&gt;nshards; j++) {</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                    shardbuffers.push_back(<span class="keyword">new</span> edge_buffer());</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;                }</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;                tmp_new_edge_buffers.push_back(shardbuffers);</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;            }</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;            </div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;            <span class="comment">// Move old edges. This is not the fastest way... but takes only about 0.05 secs</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;            <span class="comment">// on the twitter experiment</span></div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;            <span class="keywordtype">int</span> i = 0;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;            <span class="keywordflow">for</span>(<span class="keyword">typename</span> std::vector&lt; std::vector&lt; edge_buffer * &gt; &gt;::iterator oldit = <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>.begin(); </div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;                oldit != <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>.end(); ++oldit) {</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;                <span class="keywordflow">for</span>(<span class="keyword">typename</span> std::vector&lt; edge_buffer *&gt;::iterator bufit = oldit-&gt;begin(); bufit != oldit-&gt;end(); ++bufit) {</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;                    edge_buffer &amp;buffer_for_window = **bufit;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;                    <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ebi = 0; ebi &lt; buffer_for_window.size(); ebi++ ) {</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;                        created_edge&lt;EdgeDataType&gt; * <a class="code" href="structedge.html">edge</a> = buffer_for_window[ebi];</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;                        <span class="keywordtype">int</span> shard = get_shard_for(edge-&gt;dst);</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;                        <span class="keywordtype">int</span> srcshard = get_shard_for(edge-&gt;src);</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;                        i++;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;                        tmp_new_edge_buffers[shard][srcshard]-&gt;add(*edge);            </div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;                    }</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                    <span class="keyword">delete</span> *bufit;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;                }</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;            }</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;            </div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;TRANSFERRED &quot;</span> &lt;&lt; i &lt;&lt; <span class="stringliteral">&quot; EDGES OVER.&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;            </div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;            <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a> = tmp_new_edge_buffers;</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        }</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;        </div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        </div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;        <span class="comment">// Should be changed to read the file in smaller chunks</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a62726a85f6c46c925bc44f85b98ef94a">  168</a></span>&#160;        <span class="keywordtype">size_t</span> <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a62726a85f6c46c925bc44f85b98ef94a">cp</a>(std::string origfile, std::string dstfile, <span class="keywordtype">bool</span> zeroout=<span class="keyword">false</span>) {</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;            <span class="keywordtype">char</span> * buf;</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;            <span class="keywordtype">int</span> f = open(origfile.c_str(), O_RDONLY);    </div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;            <span class="keywordtype">size_t</span> len = readfull(f, &amp;buf);</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;            std::cout &lt;&lt; <span class="stringliteral">&quot;Length: &quot;</span> &lt;&lt; len &lt;&lt; std::endl;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;            std::cout &lt;&lt; origfile &lt;&lt; <span class="stringliteral">&quot; ----&gt; &quot;</span> &lt;&lt; dstfile &lt;&lt; std::endl;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;            </div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;            close(f);</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;            <span class="keyword">remove</span>(dstfile.c_str());</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;            <span class="keywordtype">int</span> of = open(dstfile.c_str(), O_WRONLY | O_CREAT, S_IROTH | S_IWOTH | S_IWUSR | S_IRUSR);</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;            assert(of &gt;= 0);</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;            <span class="keywordflow">if</span> (zeroout) {</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;                memset(buf, 0, len);</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;            }</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;            writea(of, buf, len);</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;            </div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;            assert(get_filesize(origfile) == get_filesize(dstfile));</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;            close(of);</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            free(buf);</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;            <span class="keywordflow">return</span> len;</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        } </div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        </div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        </div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;        <span class="keyword">virtual</span> <span class="keyword">typename</span> base_engine::memshard_t * create_memshard(vid_t interval_st, vid_t interval_en) {</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;            <span class="keywordtype">int</span> p = this-&gt;exec_interval;</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;            std::string adj_filename = filename_shard_adj(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[p];          </div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            std::string edata_filename = filename_shard_edata&lt;EdgeDataType&gt;(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[p];</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">new</span> <span class="keyword">typename</span> base_engine::memshard_t(this-&gt;iomgr,</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;                                                        edata_filename,</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;                                                        adj_filename,  </div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;                                                        interval_st, </div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;                                                        interval_en,</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;                                                        this-&gt;m);</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;        }</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;        </div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        </div>
<div class="line"><a name="l00207"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a193d7e29b40c29be2e9bdaab14834fe9">  207</a></span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a193d7e29b40c29be2e9bdaab14834fe9">initialize_sliding_shards</a>() {</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;            shardlock.lock();</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;            <span class="keywordflow">if</span> (this-&gt;sliding_shards.empty()) {</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> p=0; p &lt; this-&gt;nshards; p++) {</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;                    std::string adj_filename = filename_shard_adj(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[p];          </div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;                    std::string edata_filename = filename_shard_edata&lt;EdgeDataType&gt;(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[p];</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;                    </div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;                    this-&gt;sliding_shards.push_back(</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;                                                   <span class="keyword">new</span> <span class="keyword">typename</span> <a class="code" href="classgraphchi_1_1sliding__shard.html">base_engine::slidingshard_t</a>(this-&gt;iomgr, edata_filename, </div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;                                                                                            adj_filename,</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                                                                                            this-&gt;intervals[p].first, </div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;                                                                                            this-&gt;intervals[p].second, </div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;                                                                                            this-&gt;blocksize, </div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;                                                                                            this-&gt;m, </div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;                                                                                            !this-&gt;modifies_outedges, </div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;                                                                                            <span class="keyword">false</span>));</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;                }</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> p=0; p &lt; this-&gt;nshards; p++) {</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;                    <span class="keywordflow">if</span> (this-&gt;sliding_shards[p] == NULL) {</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;                        std::string adj_filename = filename_shard_adj(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[p];          </div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;                        std::string edata_filename = filename_shard_edata&lt;EdgeDataType&gt;(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[p];</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;                        </div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;                        this-&gt;sliding_shards[p] =  <span class="keyword">new</span> <span class="keyword">typename</span> <a class="code" href="classgraphchi_1_1sliding__shard.html">base_engine::slidingshard_t</a>(this-&gt;iomgr, edata_filename, </div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;                                                                                            adj_filename,</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;                                                                                            this-&gt;intervals[p].first, </div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;                                                                                            this-&gt;intervals[p].second, </div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;                                                                                            this-&gt;blocksize, </div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;                                                                                            this-&gt;m, </div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;                                                                                            !this-&gt;modifies_outedges, </div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;                                                                                            <span class="keyword">false</span>);</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;                    }</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;                }</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;            }</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;            shardlock.unlock();</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;            edges_in_shards = <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#af6a7dffd100a1920352e17cb253da924">num_edges</a>();</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;        }</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;        </div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;        <span class="keywordtype">void</span> prepare_clean_slate() {</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;            logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) &lt;&lt; <span class="stringliteral">&quot;Preparing clean slate...&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> shard=0; shard &lt; this-&gt;nshards; shard++) {</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;                shard_suffices.push_back(get_part_str(shard, this-&gt;nshards));</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;                </div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;                std::string edata_filename = filename_shard_edata&lt;EdgeDataType&gt;(this-&gt;base_filename, shard, this-&gt;nshards);</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;                std::string adj_filename = filename_shard_adj(this-&gt;base_filename, shard, this-&gt;nshards);</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;                std::string dest_adj = filename_shard_adj(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[shard];          </div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;                std::string dest_edata = filename_shard_edata&lt;EdgeDataType&gt;(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[shard];</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;                </div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;                <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a62726a85f6c46c925bc44f85b98ef94a">cp</a>(edata_filename, dest_edata, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;                <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a62726a85f6c46c925bc44f85b98ef94a">cp</a>(adj_filename, dest_adj);</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;            }</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        }</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;        </div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;        <span class="keywordtype">int</span> get_shard_for(vid_t dst) {</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i &lt; this-&gt;nshards; i++) {</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;                <span class="keywordflow">if</span> (dst &gt;= this-&gt;intervals[i].first &amp;&amp; dst &lt;= this-&gt;intervals[i].second) {</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;                    <span class="keywordflow">return</span> i;</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;                }</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;            }</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;            <span class="keywordflow">return</span> this-&gt;nshards - 1; <span class="comment">// Last shard</span></div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;        }</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;        </div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;    <span class="keyword">public</span>:       </div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;        <span class="keywordtype">bool</span> add_edge(vid_t src, vid_t dst, EdgeDataType edata) {</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;            <span class="keywordflow">if</span> (src == dst) {</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;                logstream(<a class="code" href="logger_8hpp.html#adf4476a6a4ea6c74231c826e899d7189">LOG_WARNING</a>) &lt;&lt; <span class="stringliteral">&quot;WARNING : tried to add self-edge!&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;                <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;            }</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;            <span class="keywordflow">if</span> (this-&gt;iter &lt; 1) {</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;                logstream(<a class="code" href="logger_8hpp.html#adf4476a6a4ea6c74231c826e899d7189">LOG_WARNING</a>) &lt;&lt; <span class="stringliteral">&quot;Tried to add edge before first iteration has passed&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;                usleep(1000000);</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;                <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;            }</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;            <span class="keywordflow">if</span> (added_edges - last_commit &gt; 1.2 * max_edge_buffer) {</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;                logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) &lt;&lt; <span class="stringliteral">&quot;Over 20% of max buffer... hold on....&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;                usleep(1000000); <span class="comment">// Sleep 1 sec</span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;                <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;            }</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;            <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6dd321db58504ad1ed2c0d54387aa160">modification_lock</a>.lock();</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;            added_edges++;</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;            <span class="keywordtype">int</span> shard = get_shard_for(dst);</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;            <span class="keywordtype">int</span> srcshard = get_shard_for(src);</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;            <span class="comment">/* Maintain max vertex id */</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;            vid_t prev_max_id = max_vertex_id;</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;            max_vertex_id = std::max(max_vertex_id, dst);</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;            max_vertex_id = std::max(max_vertex_id, src);</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;            </div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;            <span class="comment">// Extend degree and vertex data files</span></div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;            <span class="keywordflow">if</span> (max_vertex_id&gt;prev_max_id) {</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;                this-&gt;degree_handler-&gt;ensure_size(this-&gt;max_vertex_id); <span class="comment">// Expand the file</span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;                </div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;                <span class="comment">// Expand scheduler</span></div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;                <span class="keywordflow">if</span> (this-&gt;scheduler != NULL) {</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;                    schedulerlock.lock();</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;                    this-&gt;scheduler-&gt;resize(1 + max_vertex_id);</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;                    schedulerlock.unlock();</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;                }</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;            }</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;            </div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;            <span class="comment">// Add edge to buffers</span></div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;            <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>[shard][srcshard]-&gt;add(src, dst, edata);            </div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;            <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6dd321db58504ad1ed2c0d54387aa160">modification_lock</a>.unlock();</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;        }</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;        </div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;        <span class="keywordtype">void</span> add_task(vid_t vid) {</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;            <span class="keywordflow">if</span> (this-&gt;scheduler != NULL) {</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;                <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6dd321db58504ad1ed2c0d54387aa160">modification_lock</a>.lock();</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;                this-&gt;scheduler-&gt;add_task(vid);                </div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;                <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6dd321db58504ad1ed2c0d54387aa160">modification_lock</a>.unlock();</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;            }</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;        }</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;       </div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;    <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;        <span class="keywordtype">void</span> incorporate_buffered_edges(<span class="keywordtype">int</span> window, vid_t window_st, vid_t window_en, std::vector&lt;svertex_t&gt; &amp; vertices) {</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;            <span class="comment">// Lock acquired</span></div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;            <span class="keywordtype">int</span> ncreated = 0;</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;            <span class="comment">// First outedges</span></div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> shard=0; shard&lt;this-&gt;nshards; shard++) {</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;                edge_buffer &amp;buffer_for_window = *<a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>[shard][window];</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ebi=0; ebi&lt;buffer_for_window.size(); ebi++) {</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;                    created_edge&lt;EdgeDataType&gt; * <a class="code" href="structedge.html">edge</a> = buffer_for_window[ebi];</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;                    <span class="keywordflow">if</span> (edge-&gt;src &gt;= window_st &amp;&amp; edge-&gt;src &lt;= window_en) {</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;                        <span class="keywordflow">if</span> (vertices[edge-&gt;src-window_st].scheduled) {</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;                            <span class="keywordflow">if</span> (vertices[edge-&gt;src-window_st].scheduled)</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;                                vertices[edge-&gt;src-window_st].add_outedge(edge-&gt;dst, &amp;edge-&gt;data, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;                            ncreated++;</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;                        }</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;                    }</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;                }</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;            }</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;            </div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;            <span class="comment">// Then inedges</span></div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> w=0; w&lt;this-&gt;nshards; w++) {</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;                edge_buffer &amp;buffer_for_window = *<a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>[window][w];</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ebi=0; ebi&lt;buffer_for_window.size(); ebi++) {</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;                    created_edge&lt;EdgeDataType&gt; * edge = buffer_for_window[ebi];</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;                    <span class="keywordflow">if</span> (edge-&gt;dst &gt;= window_st &amp;&amp; edge-&gt;dst &lt;= window_en) {</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;                        <span class="keywordflow">if</span> (vertices[edge-&gt;dst - window_st].scheduled) {</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;                            assert(edge-&gt;data &lt; 1e20);</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;                            <span class="keywordflow">if</span> (vertices[edge-&gt;dst-window_st].scheduled)</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;                                vertices[edge-&gt;dst - window_st].add_inedge(edge-&gt;src, &amp;edge-&gt;data, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;                            ncreated++;</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;                        }</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;                    }</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;                }</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;            }</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;            logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) &lt;&lt; <span class="stringliteral">&quot;::: Used &quot;</span> &lt;&lt; ncreated &lt;&lt; <span class="stringliteral">&quot; buffered edges.&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;        }</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;        </div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;        <span class="keywordtype">bool</span> incorporate_new_edge_degrees(<span class="keywordtype">int</span> window, vid_t window_st, vid_t window_en) {</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;            <span class="keywordtype">bool</span> modified = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;            <span class="comment">// First outedges</span></div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> shard=0; shard &lt; this-&gt;nshards; shard++) {</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;                edge_buffer &amp;buffer_for_window = *<a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>[shard][window];</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ebi=0; ebi&lt;buffer_for_window.size(); ebi++) {</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;                    created_edge&lt;EdgeDataType&gt; * edge = buffer_for_window[ebi];</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;                    <span class="keywordflow">if</span> (edge-&gt;src &gt;= window_st &amp;&amp; edge-&gt;src &lt;= window_en) {</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;                        <span class="keywordflow">if</span> (!edge-&gt;accounted_for_outc) {</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;                            degree d = this-&gt;degree_handler-&gt;get_degree(edge-&gt;src);</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;                            d.outdegree++;</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;                            this-&gt;degree_handler-&gt;set_degree(edge-&gt;src, d);</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;                            </div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;                            modified = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;                            edge-&gt;accounted_for_outc = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;                        }</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;                    }</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;                }</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;            }</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;            </div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;            <span class="comment">// Then inedges</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> w=0; w &lt; this-&gt;nshards; w++) {</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;                edge_buffer &amp;buffer_for_window = *<a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>[window][w];</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ebi=0; ebi&lt;buffer_for_window.size(); ebi++) {</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;                    created_edge&lt;EdgeDataType&gt; * edge = buffer_for_window[ebi];</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;                    <span class="keywordflow">if</span> (edge-&gt;dst &gt;= window_st &amp;&amp; edge-&gt;dst &lt;= window_en) {</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;                        <span class="keywordflow">if</span> (!edge-&gt;accounted_for_inc) {</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;                            degree d = this-&gt;degree_handler-&gt;get_degree(edge-&gt;dst);</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;                            d.indegree++;</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;                            this-&gt;degree_handler-&gt;set_degree(edge-&gt;dst, d);                            </div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;                            edge-&gt;accounted_for_inc = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;                            modified = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;                        }</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;                    }</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;                }</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;            }</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;            <span class="keywordflow">return</span> modified;</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;        }</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;        </div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;        <span class="keywordtype">void</span> adjust_degrees_for_deleted(std::vector&lt; svertex_t &gt; &amp;vertices, vid_t window_st) {</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;<span class="preprocessor">#ifdef SUPPORT_DELETIONS</span></div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="preprocessor"></span>            </div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;            <span class="keywordtype">bool</span> somechanged = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i &lt; (int)vertices.size(); i++) {</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;                svertex_t &amp;v = vertices[i];</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;                <span class="keywordflow">if</span> (v.scheduled) {</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;                    this-&gt;degree_handler-&gt;set_degree(v.id(), v.inc, v.outc);</div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;                    somechanged = somechanged || (v.deleted_inc + v.deleted_outc &gt; 0);</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;                    degree deg = this-&gt;degree_handler-&gt;get_degree(v.id());</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;                    </div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;                    <span class="keywordflow">if</span> (!(deg.indegree &gt;=0 &amp;&amp; deg.outdegree &gt;= 0)) {</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;                        std::cout &lt;&lt; <span class="stringliteral">&quot;Degree discrepancy: &quot;</span> &lt;&lt; deg.indegree &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; deg.outdegree &lt;&lt; std::endl;</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;                    }</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;                    assert(deg.indegree &gt;=0 &amp;&amp; deg.outdegree &gt;= 0);</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;                }</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;            }</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;            <span class="keywordflow">if</span> (somechanged) {</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;                this-&gt;degree_handler-&gt;save();</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;            }</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;<span class="preprocessor"></span>        }</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;        </div>
<div class="line"><a name="l00420"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a9e9777b788639337052857935796380a">  420</a></span>&#160;        <span class="keyword">virtual</span> vid_t <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a9e9777b788639337052857935796380a">determine_next_window</a>(vid_t iinterval, vid_t fromvid, vid_t maxvid, <span class="keywordtype">size_t</span> membudget) {</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;            <span class="comment">/* Load degrees */</span></div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;            this-&gt;degree_handler-&gt;<a class="code" href="classgraphchi_1_1degree__data.html#a845b713beb8419274e2b5312ddd8bc5f">load</a>(fromvid, maxvid);</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;            <span class="keywordflow">if</span> (incorporate_new_edge_degrees(iinterval, fromvid, maxvid)) {</div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;                this-&gt;degree_handler-&gt;save();</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;            }</div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;            </div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;            <span class="keywordtype">size_t</span> memreq = 0;</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;            <span class="keywordtype">int</span> max_interval = maxvid - fromvid;</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i &lt; max_interval; i++) {</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;                <a class="code" href="structgraphchi_1_1degree.html">degree</a> deg = this-&gt;degree_handler-&gt;get_degree(fromvid + i);</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;                <span class="keywordtype">int</span> inc = deg.indegree;</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;                <span class="keywordtype">int</span> outc = deg.outdegree;</div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;                </div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;                <span class="comment">// Raw data and object cost included</span></div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;                memreq += <span class="keyword">sizeof</span>(svertex_t) + (<span class="keyword">sizeof</span>(EdgeDataType) + <span class="keyword">sizeof</span>(vid_t) + </div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;                                               <span class="keyword">sizeof</span>(<a class="code" href="classgraphchi_1_1graphchi__edge.html">graphchi_edge&lt;EdgeDataType&gt;</a>))*(outc + inc);</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;                <span class="keywordflow">if</span> (memreq &gt; membudget) {</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;                    <span class="keywordflow">return</span> fromvid + i - 1;  <span class="comment">// Previous was enough</span></div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;                }</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;            }</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;            <span class="keywordflow">return</span> maxvid;</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;        }</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;        </div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;        </div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> load_before_updates(std::vector&lt;svertex_t&gt; &amp;vertices) {            </div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;            this-&gt;base_engine::load_before_updates(vertices);</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;            </div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;<span class="preprocessor">#ifdef SUPPORT_DELETIONS</span></div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;<span class="preprocessor"></span>            <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i &lt; (<span class="keywordtype">unsigned</span> int)vertices.size(); i++) {</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;                deletecounts[this-&gt;exec_interval] += vertices[i].deleted_inc;</div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;            }</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="preprocessor"></span>        }</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;        </div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;        </div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> init_vertices(std::vector&lt;svertex_t&gt; &amp;vertices, </div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;                                   graphchi_edge&lt;EdgeDataType&gt; * &amp;edata) {</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;            <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6dd321db58504ad1ed2c0d54387aa160">modification_lock</a>.lock();</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;            base_engine::init_vertices(vertices, edata);</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;            incorporate_buffered_edges(this-&gt;exec_interval, this-&gt;sub_interval_st, this-&gt;sub_interval_en, vertices);</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;            <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6dd321db58504ad1ed2c0d54387aa160">modification_lock</a>.unlock();</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;        }</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;        </div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;        </div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> initialize_iter() {</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;            this-&gt;intervals[this-&gt;nshards - 1].second = max_vertex_id;</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;            this-&gt;vertex_data_handler-&gt;check_size(max_vertex_id + 1);</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;            <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a193d7e29b40c29be2e9bdaab14834fe9">initialize_sliding_shards</a>();</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;            </div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;            <span class="comment">/* Deleted edge tracking */</span></div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;            deletecounts.clear();</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> p=0; p &lt; this-&gt;nshards; p++) </div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;                deletecounts.push_back(0);</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;        }</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;        </div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> iteration_finished() {</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;            <span class="keywordflow">if</span> (this-&gt;iter &lt; this-&gt;niters - 1) {</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;                <span class="comment">// Flush and restart stream shards before commiting edges</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> p=0; p &lt; this-&gt;nshards; p++) {</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;                    this-&gt;sliding_shards[p]-&gt;flush();</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;                    this-&gt;sliding_shards[p]-&gt;set_offset(0, 0, 0);</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;                }</div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;                </div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;                this-&gt;iomgr-&gt;wait_for_writes();</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;                </div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;                <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a1e24d2f5bd6b215462fd6011cc1a0d48">commit_graph_changes</a>();</div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;            }</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;        }</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;        </div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> initialize_before_run() {</div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;            prepare_clean_slate();</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;            init_buffers();</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;            max_vertex_id = (vid_t) (this-&gt;num_vertices() - 1);</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;            </div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;            this-&gt;vertex_data_handler-&gt;clear(this-&gt;num_vertices());</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;        }</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;        </div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;        </div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;        <span class="comment">/* */</span></div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> load_after_updates(std::vector&lt;svertex_t&gt; &amp;vertices) {</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;            this-&gt;base_engine::load_after_updates(vertices);</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;            adjust_degrees_for_deleted(vertices, this-&gt;sub_interval_st);</div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;        }   </div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;        </div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;        <span class="keywordtype">void</span> finish_after_iters(<span class="keywordtype">int</span> extra_iters) {</div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;            this-&gt;chicontext.last_iteration = this-&gt;chicontext.iteration + extra_iters;</div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;        }</div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;        </div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;    <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;        </div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;        </div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;<span class="preprocessor">#define BBUF 32000000</span></div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;<span class="preprocessor"></span>        </div>
<div class="line"><a name="l00519"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a1e24d2f5bd6b215462fd6011cc1a0d48">  519</a></span>&#160;        <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a1e24d2f5bd6b215462fd6011cc1a0d48">commit_graph_changes</a>() {</div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;            <span class="comment">// Count deleted</span></div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;            <span class="keywordtype">size_t</span> ndeleted = 0;</div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i=0; i &lt; deletecounts.size(); i++) {</div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;                ndeleted += deletecounts[i];</div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;            }</div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;            </div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;            <span class="comment">// TODO: remove ad hoc limits, move to configuration.</span></div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;            <span class="comment">// Perhaps do some cost estimation?</span></div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;            logstream(<a class="code" href="logger_8hpp.html#a6ff63e8955665c4a58b1598f2b07c51a">LOG_DEBUG</a>) &lt;&lt; <span class="stringliteral">&quot;Total deleted: &quot;</span> &lt;&lt; ndeleted &lt;&lt; <span class="stringliteral">&quot; total edges: &quot;</span> &lt;&lt; this-&gt;<a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#af6a7dffd100a1920352e17cb253da924">num_edges</a>() &lt;&lt; std::endl;</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;</div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;            <span class="keywordflow">if</span> (added_edges - last_commit &lt; max_edge_buffer * 0.8 &amp;&amp; ndeleted &lt; this-&gt;<a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#af6a7dffd100a1920352e17cb253da924">num_edges</a>() * 0.1) {</div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;                std::cout &lt;&lt; <span class="stringliteral">&quot;==============================&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;                std::cout &lt;&lt; <span class="stringliteral">&quot;No time to commit yet.... Only &quot;</span> &lt;&lt; (added_edges - last_commit) &lt;&lt; <span class="stringliteral">&quot; / &quot;</span> &lt;&lt; max_edge_buffer</div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;                &lt;&lt; <span class="stringliteral">&quot; in buffers&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;                <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;            }</div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;            </div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;            </div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;            <span class="keywordtype">bool</span> rangeschanged = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;            state = <span class="stringliteral">&quot;commit-ingests&quot;</span>;</div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;            vid_t maxwindow = 4000000; <span class="comment">// FIXME: HARDCODE</span></div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;            <span class="keywordtype">size_t</span> mem_budget = this-&gt;membudget_mb * 1024 * 1024;</div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;            <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6dd321db58504ad1ed2c0d54387aa160">modification_lock</a>.lock();</div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;            </div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;            <span class="comment">// Clean up sliding shards</span></div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;            <span class="comment">// NOTE: there is a problem since this will waste</span></div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;            <span class="comment">// io-sessions</span></div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;            std::vector&lt;int&gt; edgespershard;</div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> p=0; p &lt; this-&gt;nshards; p++) {</div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;                edgespershard.push_back(this-&gt;sliding_shards[p]-&gt;<a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#af6a7dffd100a1920352e17cb253da924">num_edges</a>());</div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;            }</div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;            </div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;            std::vector&lt;std::pair&lt;vid_t, vid_t&gt; &gt; newranges;</div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;            std::vector&lt;std::string&gt; newsuffices;</div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;            </div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;            <span class="keywordtype">char</span> iterstr[128];</div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;            sprintf(iterstr, <span class="stringliteral">&quot;%d&quot;</span>, this-&gt;iter);</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;            </div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;            <span class="keywordtype">size_t</span> min_buffer_in_shard_to_commit = max_edge_buffer / this-&gt;nshards / 2;</div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;            </div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;            std::vector&lt;bool&gt; was_commited(this-&gt;nshards, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;            </div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> shard=0; shard &lt; this-&gt;nshards; shard++) {</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;                std::vector&lt;edge_buffer*&gt; &amp;shard_buffer = <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>[shard];</div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;                </div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;                <span class="comment">// Check there are any new edges</span></div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;                <span class="keywordtype">size_t</span> bufedges = 0;</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> w=0; w &lt; this-&gt;nshards; w++) {</div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;                    bufedges += shard_buffer[w]-&gt;size();</div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;                    </div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;                }</div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;                </div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;                <span class="keywordflow">if</span> (bufedges &lt; min_buffer_in_shard_to_commit &amp;&amp; deletecounts[shard] * 1.0 / edgespershard[shard] &lt; 0.2) {</div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;                    logstream(<a class="code" href="logger_8hpp.html#a6ff63e8955665c4a58b1598f2b07c51a">LOG_DEBUG</a>) &lt;&lt; shard &lt;&lt; <span class="stringliteral">&quot;: not enough edges for shard: &quot;</span> &lt;&lt; bufedges &lt;&lt; <span class="stringliteral">&quot; deleted:&quot;</span> &lt;&lt; deletecounts[shard] &lt;&lt; <span class="stringliteral">&quot;/&quot;</span> &lt;&lt; edgespershard[shard] &lt;&lt; std::endl;</div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;                    newranges.push_back(this-&gt;intervals[shard]);</div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;                    newsuffices.push_back(shard_suffices[shard]);</div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;                    was_commited[shard] = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;                    <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;                } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;                    logstream(<a class="code" href="logger_8hpp.html#a6ff63e8955665c4a58b1598f2b07c51a">LOG_DEBUG</a>) &lt;&lt; shard &lt;&lt; <span class="stringliteral">&quot;: going to rewrite, deleted:&quot;</span> &lt;&lt; deletecounts[shard] &lt;&lt; <span class="stringliteral">&quot;/&quot;</span> &lt;&lt; edgespershard[shard] &lt;&lt; <span class="stringliteral">&quot; bufedges: &quot;</span> &lt;&lt; bufedges &lt;&lt; std::endl;</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;                    shardlock.lock();</div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;                    <span class="keyword">delete</span> this-&gt;sliding_shards[shard];</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;                    this-&gt;sliding_shards[shard] = NULL;</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;                    shardlock.unlock();</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;                }</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;                std::string origshardfile = filename_shard_edata&lt;EdgeDataType&gt;(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[shard];</div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;                std::string origadjfile = filename_shard_adj(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[shard];</div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;                </div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;                <span class="comment">// Get file size</span></div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;                <span class="keywordtype">int</span> of = open(origshardfile.c_str(), O_RDONLY);</div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;                off_t sz = lseek(of, 0, SEEK_END);</div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;                lseek(of, 0, SEEK_SET);</div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;                close(of);</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;                </div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;                <span class="keywordtype">int</span> outparts = ( sz &gt;= (off_t) maxshardsize ? 2 : 1);</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;                </div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;                vid_t splitpos = 0;</div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;                <span class="keywordflow">if</span> (sz &gt; (off_t)maxshardsize) {</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;                    rangeschanged = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;                    <span class="comment">// Compute number edges (not including ingested ones!)</span></div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;                    <span class="keywordtype">size_t</span> halfedges = (sz / <span class="keyword">sizeof</span>(EdgeDataType)) / 2;</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;                    <span class="comment">// Correct to include estimate of ingested ones</span></div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;                    <span class="keywordflow">for</span>(<span class="keywordtype">int</span> w=0; w &lt; this-&gt;nshards; w++) {</div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;                        halfedges += <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>[shard][w]-&gt;size() / 2;</div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;                    }</div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;                    <span class="keywordtype">size_t</span> nedges = 0;</div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;                    </div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;                    vid_t st = this-&gt;intervals[shard].first;</div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;                    splitpos = st + (this-&gt;intervals[shard].second - st) / 2;</div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;                    <span class="keywordtype">bool</span> found = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;                    <span class="keywordflow">while</span>(st &lt; this-&gt;intervals[shard].second) {</div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;                        vid_t en = std::min(st + maxwindow, this-&gt;intervals[shard].second);</div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;                        this-&gt;degree_handler-&gt;<a class="code" href="classgraphchi_1_1degree__data.html#a845b713beb8419274e2b5312ddd8bc5f">load</a>(st, en);</div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;                        <span class="keywordtype">int</span> nv = en - st + 1;</div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;                        </div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;                        <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i&lt;nv; i++) {</div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;                            nedges += this-&gt;degree_handler-&gt;get_degree(st + i).indegree;</div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;                            <span class="keywordflow">if</span> (nedges &gt;= halfedges) {</div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;                                splitpos = i+st-1;</div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;                                found = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;                                <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;                            }</div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;                        }</div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;                        <span class="keywordflow">if</span> (found) <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;                        st = en+1;</div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;                    }</div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;                    assert(splitpos &gt; this-&gt;intervals[shard].first &amp;&amp; splitpos &lt; this-&gt;intervals[shard].second);</div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;                }</div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;                </div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> splits=0; splits&lt;outparts; splits++) { <span class="comment">// Note: this is not super-efficient because we do the operation twice in case of split</span></div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;                    <span class="keyword">typename</span> <a class="code" href="classgraphchi_1_1sliding__shard.html">base_engine::slidingshard_t</a> * curshard = </div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;                    <span class="keyword">new</span> <span class="keyword">typename</span> <a class="code" href="classgraphchi_1_1sliding__shard.html">base_engine::slidingshard_t</a>(this-&gt;iomgr, origshardfile, origadjfile, </div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;                                                             this-&gt;intervals[shard].first, this-&gt;intervals[shard].second, </div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;                                                             1024 * 1024, this-&gt;m, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;                    </div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;                    </div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;                    std::string suffix = <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;                    <span class="keywordtype">char</span> partstr[128];</div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;                    sprintf(partstr, <span class="stringliteral">&quot;%d&quot;</span>, shard);</div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;                    <span class="keywordflow">if</span> (splits == 0) {</div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;                        suffix = std::string(partstr);</div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;                    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;                        suffix = std::string(partstr) + <span class="stringliteral">&quot;.split&quot;</span>;  </div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;                    }</div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;                    suffix = suffix + <span class="stringliteral">&quot;.i&quot;</span> + std::string(iterstr);</div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;                    newsuffices.push_back(suffix);</div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;                    std::string outfile_edata = filename_shard_edata&lt;EdgeDataType&gt;(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + suffix;             </div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;                    std::string outfile_adj = filename_shard_adj(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + suffix;</div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;                    </div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;                    vid_t splitstart = this-&gt;intervals[shard].first;</div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;                    vid_t splitend = this-&gt;intervals[shard].second;</div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;                    <span class="keywordflow">if</span> (shard == this-&gt;nshards - 1) splitend = max_vertex_id;</div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;                    </div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;                    <span class="comment">// This is looking more and more hacky</span></div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;                    <span class="keywordflow">if</span> (outparts == 2) {</div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;                        <span class="keywordflow">if</span> (splits==0) splitend = splitpos;</div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;                        <span class="keywordflow">else</span> splitstart = splitpos+1;</div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;                    }</div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;                    newranges.push_back(std::pair&lt;vid_t,vid_t&gt;(splitstart, splitend)); </div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;                    </div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;                    <span class="comment">// Create the adj file</span></div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;                    <span class="keywordtype">int</span> f = open(outfile_adj.c_str(), O_WRONLY | O_CREAT, S_IROTH | S_IWOTH | S_IWUSR | S_IRUSR);</div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;                    ftruncate(f, 0);</div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;                    <span class="comment">/* Create edge data file */</span></div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;                    <span class="keywordtype">int</span> ef = open(outfile_edata.c_str(), O_WRONLY | O_CREAT, S_IROTH | S_IWOTH | S_IWUSR | S_IRUSR);</div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;                    ftruncate(ef, 0);</div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;                    <span class="keywordtype">char</span> * buf = (<span class="keywordtype">char</span>*) malloc(BBUF); </div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;                    <span class="keywordtype">char</span> * bufptr = buf;</div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;                    <span class="keywordtype">char</span> * ebuf = (<span class="keywordtype">char</span>*) malloc(BBUF);</div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;                    <span class="keywordtype">char</span> * ebufptr = ebuf;</div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;                    </div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;                    <span class="comment">// Now create a new shard file window by window</span></div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;                    <span class="keywordflow">for</span>(<span class="keywordtype">int</span> window=0; window &lt; this-&gt;nshards; window++) {</div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;                        vid_t range_st = this-&gt;intervals[window].first;</div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;                        vid_t range_en = this-&gt;intervals[window].second;</div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;                        <span class="keywordflow">if</span> (window == this-&gt;nshards - 1) range_en = max_vertex_id;</div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;                        <a class="code" href="classgraphchi_1_1edge__buffer__flat.html">edge_buffer</a> &amp;buffer_for_window = *<a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>[shard][window];</div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;                        </div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;                        <span class="keywordflow">for</span>(vid_t window_st=range_st; window_st&lt;range_en; ) {</div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;                            <span class="comment">// Check how much we can read</span></div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;                            vid_t window_en = <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a9e9777b788639337052857935796380a">determine_next_window</a>(window, window_st, </div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;                                                                    std::min(range_en, window_st + (vid_t)maxwindow), mem_budget);</div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;                            <span class="comment">// Create vertices</span></div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;                            <span class="keywordtype">int</span> nvertices = window_en-window_st+1;</div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;                            std::vector&lt; svertex_t &gt; vertices(nvertices, svertex_t());</div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;                            <span class="comment">/* Allocate edge data: to do this, need to compute sum of in &amp; out edges */</span></div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;                            <a class="code" href="classgraphchi_1_1graphchi__edge.html">graphchi_edge&lt;EdgeDataType&gt;</a> * edata = NULL;</div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;                            <span class="keywordtype">size_t</span> <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#af6a7dffd100a1920352e17cb253da924">num_edges</a>=0;</div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;                            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i&lt;nvertices; i++) {</div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;                                <a class="code" href="structgraphchi_1_1degree.html">degree</a> d = this-&gt;degree_handler-&gt;get_degree(i + window_st);</div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;                                num_edges += d.indegree+d.outdegree;</div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;                            }</div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;                            <span class="keywordtype">size_t</span> ecounter = 0;</div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;                            edata = (<a class="code" href="classgraphchi_1_1graphchi__edge.html">graphchi_edge&lt;EdgeDataType&gt;</a>*)malloc(num_edges * <span class="keyword">sizeof</span>(<a class="code" href="classgraphchi_1_1graphchi__edge.html">graphchi_edge&lt;EdgeDataType&gt;</a>));</div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;                            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i&lt;(int)nvertices; i++) {</div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;                                <span class="comment">//  int inc = degrees[i].indegree;</span></div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;                                <a class="code" href="structgraphchi_1_1degree.html">degree</a> d = this-&gt;degree_handler-&gt;get_degree(i + window_st);</div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;                                <span class="keywordtype">int</span> outc = d.outdegree;</div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;                                vertices[i] = svertex_t(window_st+i, &amp;edata[ecounter], </div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;                                                        &amp;edata[ecounter+0], 0, outc);</div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;                                vertices[i].scheduled = <span class="keyword">true</span>; <span class="comment">// guarantee that shard will read it</span></div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;                                ecounter += 0 + outc;</div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;                            }</div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;                            </div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;                            <span class="comment">// Read vertices in</span></div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;                            curshard-&gt;<a class="code" href="classgraphchi_1_1sliding__shard.html#a03c71ac33471a3239b63ce5e7033f08d">read_next_vertices</a>(nvertices, window_st, vertices, <span class="keyword">false</span>, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;                            </div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;                            <span class="comment">// Incorporate buffered edges</span></div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;                            <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ebi=0; ebi&lt;buffer_for_window.size(); ebi++) {</div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;                                <a class="code" href="structgraphchi_1_1created__edge.html">created_edge&lt;EdgeDataType&gt;</a> * edge = buffer_for_window[ebi];</div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;                                <span class="keywordflow">if</span> (edge-&gt;src &gt;= window_st &amp;&amp; edge-&gt;src &lt;= window_en) {</div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;                                    vertices[edge-&gt;src-window_st].add_outedge(edge-&gt;dst, &amp;edge-&gt;data, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;                                    </div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;                                }</div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;                            }</div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;                            this-&gt;iomgr-&gt;wait_for_reads();</div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;                            </div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;                            <span class="comment">// If we are splitting, need to adjust counts</span></div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;                            std::vector&lt;int&gt; adjusted_counts(vertices.size(), 0);</div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;                            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> iv=0; iv&lt; (int)vertices.size(); iv++) adjusted_counts[iv] = vertices[iv].outc;</div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;                            </div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;                            <span class="keywordflow">if</span> (outparts == 2) {</div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;                                <span class="comment">// do actual counts by removing the edges not in this split</span></div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;                                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> iv=0; iv&lt; (int)vertices.size(); iv++) {</div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;                                    svertex_t &amp;vertex = vertices[iv];</div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;                                    <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i&lt;vertex.outc; i++) {</div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;                                        <span class="keywordflow">if</span> (!(vertex.outedge(i)-&gt;vertexid &gt;= splitstart &amp;&amp; vertex.outedge(i)-&gt;vertexid &lt;= splitend)) {</div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;                                            adjusted_counts[iv]--;  </div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;                                        }</div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;                                    }</div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;                                }</div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;                            }   </div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;                            </div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;<span class="preprocessor">#ifdef SUPPORT_DELETIONS</span></div>
<div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;<span class="preprocessor"></span>                            <span class="comment">// Adjust counts to remove deleted edges</span></div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;                            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> iv=0; iv&lt; (int)vertices.size(); iv++) {</div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;                                svertex_t &amp;vertex = vertices[iv];</div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;                                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i&lt;vertex.outc; i++) {</div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;                                    <span class="keywordflow">if</span> (is_deleted_edge_value(vertex.outedge(i)-&gt;get_data())) {</div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;                                        adjusted_counts[iv]--;  </div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;                                        assert(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;                                    }</div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;                                }</div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;                            }</div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;                            </div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;                            <span class="comment">// Adjust degrees</span></div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;                            <span class="comment">//   adjust_degrees_for_deleted(vertices, window_st); // Double counting problem, that is why commented out.</span></div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;<span class="preprocessor"></span>                            </div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;                            <span class="keywordtype">size_t</span> ne = 0;</div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;                            <span class="keywordflow">for</span>(vid_t curvid=window_st; curvid&lt;=window_en;) {</div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;                                <span class="keywordtype">int</span> iv = curvid - window_st;</div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;                                svertex_t &amp;vertex = vertices[iv];</div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;                                <span class="keywordtype">int</span> count = adjusted_counts[iv];                            </div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;                                <span class="keywordflow">if</span> (count == 0) {</div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;                                    <span class="comment">// Check how many next ones are zeros</span></div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;                                    <span class="keywordtype">int</span> nz=0;</div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;                                    curvid++;</div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;                                    <span class="keywordflow">for</span>(; curvid &lt;= window_en &amp;&amp; nz&lt;254; curvid++) {</div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;                                        <span class="keywordflow">if</span> (adjusted_counts[curvid - window_st] == 0) {</div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;                                            nz++;</div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;                                        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;                                            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;                                        }</div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;                                    }</div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;                                    uint8_t nnz = (uint8_t)nz;</div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;                                    <span class="comment">// Write zero</span></div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;                                    bwrite&lt;uint8_t&gt;(f, buf, bufptr, 0);</div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;                                    bwrite&lt;uint8_t&gt;(f, buf, bufptr, nnz);</div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;                                } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;                                    <span class="keywordflow">if</span> (count &lt; 255) {</div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;                                        uint8_t x = (uint8_t)count;</div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;                                        bwrite&lt;uint8_t&gt;(f, buf, bufptr, x);</div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;                                    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;                                        bwrite&lt;uint8_t&gt;(f, buf, bufptr, 0xff);</div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;                                        bwrite&lt;uint32_t&gt;(f, buf, bufptr, (uint32_t)count);</div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;                                    }</div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;                                    </div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;                                    <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i&lt;vertex.outc; i++) {</div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;                                        <span class="keywordflow">if</span> (vertex.outedge(i)-&gt;vertexid &gt;= splitstart &amp;&amp; vertex.outedge(i)-&gt;vertexid &lt;= splitend) {</div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;<span class="preprocessor">#ifdef SUPPORT_DELETIONS</span></div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;<span class="preprocessor"></span>                                            <span class="keywordflow">if</span> (is_deleted_edge_value(vertex.outedge(i)-&gt;get_data())) {</div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;                                                assert(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;                                                </div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;                                            } </div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;<span class="preprocessor"></span>                                            bwrite(f, buf, bufptr,  vertex.outedge(i)-&gt;vertexid);</div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;                                            bwrite&lt;EdgeDataType&gt;(ef, ebuf, ebufptr, vertex.outedge(i)-&gt;get_data());</div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;                                            ne++;</div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;                                        } <span class="keywordflow">else</span> assert(outparts == 2);</div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;                                    }</div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;                                    curvid++;</div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;                                }</div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;                            } </div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;                            free(edata);</div>
<div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;                            window_st = window_en+1;</div>
<div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;                        }</div>
<div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;                        </div>
<div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;                    } <span class="comment">// end window</span></div>
<div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;                    </div>
<div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;                    <span class="comment">// Flush buffers</span></div>
<div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;                    writea(f, buf, bufptr-buf);</div>
<div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;                    writea(ef, ebuf, ebufptr-ebuf);</div>
<div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;                    </div>
<div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;                    <span class="comment">// Release</span></div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;                    free(buf); </div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;                    free(ebuf);</div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;                    </div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;                    </div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;                    <span class="keyword">delete</span> curshard;</div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;                    close(f);</div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;                    close(ef);</div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;                    </div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;                    this-&gt;iomgr-&gt;wait_for_writes();</div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;                } <span class="comment">// splits</span></div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;                </div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;                <span class="comment">// Delete old shard</span></div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;                std::string old_file_adj = filename_shard_adj(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[shard];          </div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;                std::string old_file_edata = filename_shard_edata&lt;EdgeDataType&gt;(this-&gt;base_filename, 0, 0) + <span class="stringliteral">&quot;.dyngraph&quot;</span> + shard_suffices[shard];</div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;                <span class="keyword">remove</span>(old_file_adj.c_str());</div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;                <span class="keyword">remove</span>(old_file_edata.c_str());</div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;            }</div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;            </div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;            <span class="comment">// Clear buffers</span></div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> shard=0; shard &lt; this-&gt;nshards; shard++) {</div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;                <span class="keywordflow">if</span> (was_commited[shard]) {</div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;                    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> win=0; win &lt; this-&gt;nshards; win++) {</div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;                        <a class="code" href="classgraphchi_1_1edge__buffer__flat.html">edge_buffer</a> &amp;buffer_for_window = *<a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a202412dee4896fd29c90de6b7bb85d5a">new_edge_buffers</a>[shard][win];</div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;                        <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ebi=0; ebi&lt;buffer_for_window.size(); ebi++) {</div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;                            <a class="code" href="structgraphchi_1_1created__edge.html">created_edge&lt;EdgeDataType&gt;</a> * edge = buffer_for_window[ebi];                            </div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;                            <span class="keywordflow">if</span> (!edge-&gt;accounted_for_outc) {</div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;                                std::cout &lt;&lt; <span class="stringliteral">&quot;Edge not accounted (out)! &quot;</span> &lt;&lt; edge-&gt;src &lt;&lt; <span class="stringliteral">&quot; -- &quot;</span> &lt;&lt; edge-&gt;dst &lt;&lt; std::endl;</div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;                            }</div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;                            <span class="keywordflow">if</span> (!edge-&gt;accounted_for_inc) {</div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;                                std::cout &lt;&lt; <span class="stringliteral">&quot;Edge not accounted (in)! &quot;</span> &lt;&lt; edge-&gt;src &lt;&lt; <span class="stringliteral">&quot; -- &quot;</span> &lt;&lt; edge-&gt;dst &lt;&lt; std::endl;</div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;                            }</div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;                            </div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;                            assert(edge-&gt;accounted_for_inc);</div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;                            assert(edge-&gt;accounted_for_outc);</div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;                        }</div>
<div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;                        buffer_for_window.clear();</div>
<div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;                    }</div>
<div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;                }</div>
<div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;            }</div>
<div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;            </div>
<div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;            <span class="comment">// Update number of shards:</span></div>
<div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;            last_commit = added_edges;</div>
<div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;            this-&gt;intervals = newranges;</div>
<div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;            shard_suffices = newsuffices;</div>
<div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;            this-&gt;nshards = (int) this-&gt;intervals.size();</div>
<div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;            </div>
<div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;            <span class="comment">/* If the vertex intervals change, need to recreate the shard objects. */</span></div>
<div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;            <span class="keywordflow">if</span> (rangeschanged) {</div>
<div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;                shardlock.lock();</div>
<div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;                <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;(int)this-&gt;sliding_shards.size(); i++) {</div>
<div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;                    <span class="keywordflow">if</span> (this-&gt;sliding_shards[i] != NULL) <span class="keyword">delete</span> this-&gt;sliding_shards[i];</div>
<div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;                }</div>
<div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;                this-&gt;sliding_shards.clear();</div>
<div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;                shardlock.unlock();</div>
<div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;            }</div>
<div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160;            init_buffers();</div>
<div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;            <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#a6dd321db58504ad1ed2c0d54387aa160">modification_lock</a>.unlock();</div>
<div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;        }</div>
<div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;        <span class="keywordtype">void</span> bwrite(<span class="keywordtype">int</span> f, <span class="keywordtype">char</span> * buf, <span class="keywordtype">char</span> * &amp;bufptr, T val) {</div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;            <span class="keywordflow">if</span> (bufptr+<span class="keyword">sizeof</span>(T)-buf&gt;=BBUF) {</div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;                writea(f, buf, bufptr-buf);</div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;                bufptr = buf;</div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;            }</div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;            *((T*)bufptr) = val;</div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;            bufptr += <span class="keyword">sizeof</span>(T);</div>
<div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;        }</div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;        </div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00877"></a><span class="lineno"><a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#aea7e791c76152b1b80948e0c688558f7">  877</a></span>&#160;        std::string <a class="code" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#aea7e791c76152b1b80948e0c688558f7">get_info_json</a>() {</div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;            std::stringstream json;</div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;            </div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;            this-&gt;httplock.lock();</div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;            </div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;{&quot;</span>;</div>
<div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;state\&quot; : \&quot;&quot;</span> &lt;&lt; state &lt;&lt; <span class="stringliteral">&quot;\&quot;,\n&quot;</span>;</div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;file\&quot; : \&quot;&quot;</span> &lt;&lt; this-&gt;base_filename &lt;&lt; <span class="stringliteral">&quot;\&quot;,\n&quot;</span>;</div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;numOfShards\&quot;: &quot;</span> &lt;&lt; this-&gt;nshards &lt;&lt; <span class="stringliteral">&quot;,\n&quot;</span>;</div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;iteration\&quot;: &quot;</span> &lt;&lt; this-&gt;chicontext.iteration &lt;&lt; <span class="stringliteral">&quot;,\n&quot;</span>;</div>
<div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;numIterations\&quot;: &quot;</span> &lt;&lt; this-&gt;chicontext.num_iterations &lt;&lt; <span class="stringliteral">&quot;,\n&quot;</span>;</div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;runTime\&quot;: &quot;</span> &lt;&lt; this-&gt;chicontext.runtime() &lt;&lt; <span class="stringliteral">&quot;,\n&quot;</span>;</div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;            </div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;updates\&quot;: &quot;</span> &lt;&lt; this-&gt;nupdates &lt;&lt; <span class="stringliteral">&quot;,\n&quot;</span>;</div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;nvertices\&quot;: &quot;</span> &lt;&lt; this-&gt;chicontext.nvertices &lt;&lt; <span class="stringliteral">&quot;,\n&quot;</span>;</div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;edges\&quot;: &quot;</span> &lt;&lt; edges_in_shards &lt;&lt; <span class="stringliteral">&quot;,\n&quot;</span>;</div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;</div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;edgesInBuffers\&quot;: &quot;</span> &lt;&lt; added_edges &lt;&lt; <span class="stringliteral">&quot;,\n&quot;</span>;</div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;</div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;interval\&quot;:&quot;</span> &lt;&lt; this-&gt;exec_interval &lt;&lt; <span class="stringliteral">&quot;,\n&quot;</span>;</div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;windowStart\&quot;:&quot;</span> &lt;&lt; this-&gt;sub_interval_st &lt;&lt; <span class="stringliteral">&quot;,&quot;</span>;</div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;windowEnd\&quot;: &quot;</span> &lt;&lt; this-&gt;sub_interval_en &lt;&lt; <span class="stringliteral">&quot;,&quot;</span>;</div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;\&quot;shards\&quot;: [&quot;</span>;</div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;            </div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;            </div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;            shardlock.lock();</div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;            <span class="keywordflow">for</span>(<span class="keywordtype">int</span> p=0; p &lt; (int) this-&gt;sliding_shards.size(); p++) {</div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;                <span class="keywordflow">if</span> (p&gt;0) json &lt;&lt; <span class="stringliteral">&quot;,&quot;</span>;</div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;                </div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;                <span class="keyword">typename</span> <a class="code" href="classgraphchi_1_1sliding__shard.html">base_engine::slidingshard_t</a> *  shard = this-&gt;sliding_shards[p];</div>
<div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;                <span class="keywordflow">if</span> (shard != NULL) {</div>
<div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;                    json &lt;&lt; <span class="stringliteral">&quot;{&quot;</span>;</div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;                    json &lt;&lt; <span class="stringliteral">&quot;\&quot;p\&quot;: &quot;</span> &lt;&lt; p &lt;&lt; <span class="stringliteral">&quot;, &quot;</span>;</div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;                    json &lt;&lt; shard-&gt;get_info_json();</div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;                    json &lt;&lt; <span class="stringliteral">&quot;}&quot;</span>;</div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;                } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;                    json &lt;&lt; <span class="stringliteral">&quot;{&quot;</span>;</div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;                    json &lt;&lt; <span class="stringliteral">&quot;\&quot;p\&quot;: &quot;</span> &lt;&lt; p &lt;&lt; <span class="stringliteral">&quot;, &quot;</span>;</div>
<div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;                    json &lt;&lt; <span class="stringliteral">&quot;\&quot;state\&quot;: \&quot;recreated\&quot;&quot;</span>;</div>
<div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;                    json &lt;&lt; <span class="stringliteral">&quot;}&quot;</span>;</div>
<div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160;                }</div>
<div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160;            }</div>
<div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;            shardlock.unlock();</div>
<div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;            </div>
<div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;]&quot;</span>;</div>
<div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;            </div>
<div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;            std::map&lt;std::string, std::string&gt;::iterator it;</div>
<div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;            <span class="keywordflow">for</span>(it=this-&gt;json_params.begin(); it != this-&gt;json_params.end(); ++it) {</div>
<div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;                json &lt;&lt; <span class="stringliteral">&quot;, \&quot;&quot;</span> &lt;&lt; it-&gt;first &lt;&lt; <span class="stringliteral">&quot;\&quot;:\&quot;&quot;</span>;</div>
<div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;                json &lt;&lt; it-&gt;second &lt;&lt; <span class="stringliteral">&quot;\&quot;&quot;</span>;</div>
<div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;            }</div>
<div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;            </div>
<div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;            json &lt;&lt; <span class="stringliteral">&quot;}&quot;</span>;</div>
<div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;            </div>
<div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;            this-&gt;httplock.unlock();</div>
<div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;            <span class="keywordflow">return</span> json.str();</div>
<div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;        }</div>
<div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;</div>
<div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;        </div>
<div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;        </div>
<div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;    }; <span class="comment">// End class</span></div>
<div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;    </div>
<div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;}; <span class="comment">// End namespace</span></div>
<div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;</div>
<div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;</div>
<div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;</div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Thu Jul 5 2012 00:11:17 for GraphChi by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.1.1
</small></address>
</body>
</html>
